How Goldman’s commodities profit engine started to sputter

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The BP-Husky Toledo Refinery stands at sunset in Oregon, Ohio, U.S., on Tuesday, June 13, 2017. Global natural gas production stagnated last year as lower prices damped U.S. output for the first time since the shale boom started. Gas production was "adversely affected by low prices, growing by only 0.3 percent," BP Plc said in its annual Statistical Review. Photographer: Luke Sharrett/Bloomberg

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